21837625

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4261}}^1$

素因数の和:4317

約数の個数: 16

約数和(自身を含む): 27924624

約数和(自身を除く): 6086999

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4261, 5125, 21305, 106525, 174701, 532625, 873505, 4367525, 21837625]

約数ペア:

[(1, 21837625), (5, 4367525), (25, 873505), (41, 532625), (125, 174701), (205, 106525), (1025, 21305), (4261, 5125)]